Interaction of calcium, norepinephrine, and bretylium in antagonizing myocardial depression caused by antiarrhythmic drugs.
D000818:Animals; D000889:Anti-Arrhythmia Agents / Q000494:pharmacology*; D001949:Bretylium Compounds / Q000494:pharmacology*; D002118:Calcium / Q000494:pharmacology*; D004285:Dogs; D006321:Heart / Q000187:drug effects*; D009638:Norepinephrine / Q000494:pharmacology*
D000889:Anti-Arrhythmia Agents; D001949:Bretylium Compounds; D002118:Calcium; D009638:Norepinephrine